Great Lakes Forecast
Issued by NWS
Issued by NWS
514 FZUS61 KBUF 112053 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 453 PM EDT Sat May 11 2024 For waters beyond five nautical miles of shore on Lake Ontario Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. .SYNOPSIS...A 29.6 inch low over southwestern Ontario Province this evening will slowly track east across Lake Ontario tonight. A weak trough will persist over the Lake on Sunday morning, before weak high pressure over West Virginia noses northward over the region Sunday afternoon and Sunday night. A wavy cold frontal boundary over Lower Michigan on Monday will slowly work across the Lake on Tuesday into Tuesday night. A 30.0 inch high centered over western Ontario on Wednesday will settle across the Lower Great Lakes Wednesday night and Thursday. LOZ062-120330- Lake Ontario open waters from the Niagara River to Hamlin Beach- 453 PM EDT Sat May 11 2024 .TONIGHT...East winds 5 to 10 knots. Showers early, then showers likely late this evening. A chance of light rain or drizzle after midnight. Patchy fog after midnight. Waves 2 feet or less. .SUNDAY...Northeast winds 10 knots or less becoming southwest. Patchy fog in the morning. Waves 1 foot or less. .SUNDAY NIGHT...South winds 5 to 15 knots. A chance of showers overnight. Waves 2 feet or less. .MONDAY...South winds 10 to 15 knots becoming southwest 15 to 20 knots. Showers likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 1 to 2 feet building to 2 to 4 feet. .MONDAY NIGHT...Southwest winds 10 to 15 knots. Showers likely with a chance of thunderstorms in the evening, then showers likely overnight. Waves 1 to 3 feet. .TUESDAY...Southwest winds 5 to 15 knots becoming north. Showers with a chance of thunderstorms during the day, then showers likely Tuesday night. Waves 2 feet or less. .WEDNESDAY...North winds 5 to 15 knots. A chance of showers during the day. Waves 1 to 2 feet. .THURSDAY...Northeast winds 5 to 10 knots becoming southeast. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-120330- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 453 PM EDT Sat May 11 2024 .TONIGHT...East winds 5 to 15 knots becoming southeast. Showers this evening, then showers likely with a chance of drizzle after midnight. A chance of light rain or drizzle late. Patchy fog after midnight. Waves 2 feet or less. .SUNDAY...Southeast winds 5 to 15 knots becoming east. Patchy fog early. A chance of light rain or drizzle in the morning. Waves 2 feet or less. .SUNDAY NIGHT...South winds 10 knots or less. Waves 1 foot or less. .MONDAY...South winds 15 to 20 knots. Showers likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .MONDAY NIGHT...South winds 15 to 20 knots diminishing to 10 to 15 knots. Showers likely with a chance of thunderstorms in the evening, then showers overnight. Waves 1 to 3 feet. .TUESDAY...South winds 5 to 15 knots becoming north. Showers with a chance of thunderstorms during the day, then showers Tuesday night. Waves 2 feet or less. .WEDNESDAY...North winds 5 to 15 knots. A chance of showers during the day. Waves 1 to 2 feet. .THURSDAY...North winds 5 to 10 knots becoming southeast. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ061-120330- MAFOR 1121/ ONTARIO WEST 1/2 11216 11306 13200 11700 12600. A chance of thunderstorms early this evening. A chance of light rain or drizzle overnight. Waves 2 feet or less. ONTARIO EAST 1/2 11210 12306 12300 12410 11300. A chance of drizzle overnight. A chance of light rain or drizzle Sunday morning. Waves 2 feet or less. $$